Home / 92,061.28-127,049.16-51,787.72

Finding the Fourth Proportional to 92,061.28, 127,049.16 and 51,787.72

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Solution

The fourth proportional to 92,061.28, 127,049.16 and 51,787.72 is: 71,469.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,061.28 : 127,049.16 = 51,787.72 : x
  2. Step 2: Convert to fraction form
    92,061.28/127,049.16 = 51,787.72/x
  3. Step 3: Cross multiply
    92,061.28x = 127,049.16 × 51,787.72
  4. Step 4: Simplify right side
    92,061.28x = 6,579,586,324.32
  5. Step 5: Solve for x
    x = 6,579,586,324.32/92,061.28
  6. Step 6: Final answer
    x = 71,469.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.